Large Cavitation Tunnel (LCT)
The foundation of the Large Cavitation Tunnel (LCT) at the Naval Science and Technological Laboratory (NSTL), Visakhapatnam, marks a major advancement in India’s naval research and defence capabilities. A cavitation tunnel is a specialised hydrodynamic testing facility used to simulate underwater conditions and study the behaviour of propellers and hull structures of ships and submarines. Cavitation occurs when pressure variations create vapour bubbles in water, which collapse violently, causing noise, vibration, and struc
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